replace setConfig+allocPixels with alloc-or-install-pixels

tests/BitmapTest.cpp

 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkBitmap.h"
 
 #include "Test.h"
 
 static void test_bigwidth(skiatest::Reporter* reporter) {
     SkBitmap bm;
     int width = 1 << 29;    // *4 will be the high-bit of 32bit int
 
-    REPORTER_ASSERT(reporter, bm.setConfig(SkBitmap::kA8_Config, width, 1));
-    REPORTER_ASSERT(reporter, bm.setConfig(SkBitmap::kRGB_565_Config, width, 1));
+    SkImageInfo info = SkImageInfo::Make(width, 1, kAlpha_8_SkColorType,
+                                         kPremul_SkAlphaType);
+    REPORTER_ASSERT(reporter, bm.setConfig(info));
+    info.fColorType = kRGB_565_SkColorType;
+    REPORTER_ASSERT(reporter, bm.setConfig(info));
 
     // for a 4-byte config, this width will compute a rowbytes of 0x80000000,
     // which does not fit in a int32_t. setConfig should detect this, and fail.
 
     // TODO: perhaps skia can relax this, and only require that rowBytes fit
     //       in a uint32_t (or larger), but for now this is the constraint.
 
-    REPORTER_ASSERT(reporter, !bm.setConfig(SkBitmap::kARGB_8888_Config, width, 1));
+    info.fColorType = kPMColor_SkColorType;
+    REPORTER_ASSERT(reporter, !bm.setConfig(info));
 }
 
 /**
  *  This test contains basic sanity checks concerning bitmaps.
  */
 DEF_TEST(Bitmap, reporter) {
-    const SkBitmap::Config conf = SkBitmap::kARGB_8888_Config;
     // Zero-sized bitmaps are allowed
     for (int width = 0; width < 2; ++width) {
         for (int height = 0; height < 2; ++height) {
             SkBitmap bm;
-            bool setConf = bm.setConfig(conf, width, height);
+            bool setConf = bm.setConfig(SkImageInfo::MakeN32Premul(width,
+                                                                   height));
             REPORTER_ASSERT(reporter, setConf);
             if (setConf) {
                 REPORTER_ASSERT(reporter, bm.allocPixels(NULL));
             }
             REPORTER_ASSERT(reporter, SkToBool(width & height) != bm.empty());
         }
     }
 
     test_bigwidth(reporter);
 }